Bulgarian Environment Minister Ivelina Vasileva called...for tightening fines imposed on oil spills. According to the Environmental Protection Act, the maximum fine, which could be imposed at present is BGN 100 000. Vasileva intends to undertake a legislative initiative and increase the fine to at least BGN 500 000, Darik radio reports. The exact cause of the recent oil spill, which happened at the Lukoil Neftochim refinery in Burgas...has not been identified yet.